JBR Lightweight Aluminum Flywheel (BMW S50/S52 US/M50/M52)

Light weight= more to the ground!

Your stock flywheel weights range from approximately 24-29lbs on the E36... Ouch, HEAVY! This has a huge impact on the S50/S52 US engines as they are typically characterized as not having true "M Car" throttle response. The US spec E36 M3 engine is really a GREAT motor, but can feel sluggish with the heavy OE flywheel.

This light weight JB Racing Flywheel is only 11 Lbs, and offers lightning fast upshifts and down shifts, amazing improvement in throttle response, durability, and more power to the ground by reduced rotating mass.... From our feedback, many customers have told us a light weight flywheel and clutch was "The best bang-for-the-buck money I have spent on my car". These lightweight flywheels are suitable for street use or track use.

This JBR Racing Flywheel Features:

Reduces rotating mass and moment of inertia to allow for quicker acceleration and deceleration: better shifting!

Enhances engine personality and response: more M-car feel

Features a replaceable heavy duty friction surface and OEM ring gear

Supplied ready to bolt in, with hardware, and accepts original clutch sets or upgraded clutch kits

Accepts any stock or aftermarket clutch for the S50 / S52

Allows more power to get to the ground: less rotational losses!

VAC Tech Tips:

This flywheel is larger than std M50 & M52. It will actually fit M50 & M52 engines and the 325/328 transmission when used along with an E36 M3 clutch kit.

A "mid-weight" steel version of this flywheel is available below.

PLEASE NOTE: Lightweight flywheels do not have heavy damping like the OE flywheel. You will notice the improved performance immediately but a typical side effect is some light "chatter" noise at idle (when the clutch is not depressed). This is not-a-defect, but is the nature of the way BMWs transmissions are designed. While this is not usually a problem for the enthusiast, if you are sensitive to noise please be aware of this. We recommend matching this to a clutchmasters flywheel kit with a sprung hub; this can alleviate most noise.